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Alternate Leg Raise
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Alternate Leg Raise

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How to Perform

  1. Lie flat on your back with legs extended and arms at your sides, palms facing down for stability.
  2. Engage your core by drawing your navel toward your spine and press your lower back into the floor.
  3. Inhale and slowly raise your right leg to approximately 45-60 degrees while keeping your knee straight but not locked.
  4. Exhale as you lower your right leg back to the starting position with control, not allowing it to touch the floor completely.
  5. Immediately raise your left leg to the same height while maintaining core engagement and keeping your lower back pressed into the floor.
  6. Lower your left leg with control while preparing to raise your right leg again, maintaining a steady breathing rhythm throughout.
  7. Continue alternating legs in a fluid motion, focusing on using your lower abdominal muscles rather than momentum to lift each leg.
  8. Keep your head and shoulders relaxed on the floor throughout the exercise, avoiding the tendency to lift your head or strain your neck.

Important information

  • Make sure your lower back remains in contact with the floor throughout the entire movement to protect your spine.
  • Keep your legs straight but not hyperextended, with toes pointed slightly toward your body for optimal muscle engagement.
  • If you experience lower back pain, reduce the height of your leg raise or place your hands under your glutes for additional support.
  • Focus on slow, controlled movements rather than speed to maximize core activation and prevent using momentum.

Exercise Details

Primary Muscles

Abs Hip Flexors

Muscle Groups

Ab exercises

Mechanic

Isolation

Risk Areas

Abs

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The Alternate Leg Raise is a fundamental core exercise that perfectly balances simplicity with effectiveness, making it an excellent choice for beginners just starting their fitness journey. This movement primarily targets the abdominal muscles while also engaging the hip flexors as secondary movers, creating a comprehensive lower core workout with minimal equipment needed: just your body and a comfortable mat. When incorporated into HIIT circuits, Alternate Leg Raises can elevate your heart rate while maintaining focus on core strength development. 

The exercise is equally valuable during recovery phases of training, as it allows for controlled movement patterns that promote blood flow without excessive strain. Many fitness professionals also recommend including this movement in warm-up routines to activate the core musculature before more demanding exercises. 

What makes the Alternate Leg Raise particularly valuable is its focus on core stability and endurance rather than raw power. The alternating nature of the movement challenges your body to maintain balance and proper positioning throughout the exercise duration, which translates to improved functional fitness in everyday activities. As you progress through sets, you'll notice the endurance component becoming increasingly challenging as your core muscles work to maintain proper form. For those looking to build a solid foundation of core strength, this exercise delivers remarkable benefits with minimal risk. 

The controlled alternating pattern helps prevent the lower back strain often associated with double leg raises, making it accessible even for those with some movement limitations. As your core endurance improves through consistent practice, you'll notice enhanced stability in other exercises and daily movements. The beauty of the Alternate Leg Raise lies in its versatility: it can be performed anywhere, requires no special equipment, and can be modified to match your current fitness level while still providing an effective core stimulus that builds the foundation for more advanced abdominal training.

FAQ - Alternate Leg Raise

What muscles do Alternate Leg Raises target?

Alternate Leg Raises primarily target the rectus abdominis (six-pack muscles) and the lower abdominal region, while also engaging the hip flexors as secondary movers. The exercise also activates the transverse abdominis, which helps stabilize your core throughout the movement.

How can I modify Alternate Leg Raises to make them easier or harder?

For an easier version, bend your knees slightly while performing the movement or decrease the range of motion. To increase difficulty, add ankle weights, extend the time under tension by lowering your legs more slowly, or progress to holding your upper body slightly elevated off the floor throughout the exercise.

Are Alternate Leg Raises safe for people with lower back pain?

Alternate Leg Raises are generally safer than double leg raises for those with mild back concerns because they create less strain on the lower back. However, ensure you maintain proper form by keeping your lower back pressed into the floor throughout the movement, and stop if you experience any pain.

What are the most common form mistakes with Alternate Leg Raises?

The most common mistakes include arching the lower back (instead of keeping it pressed into the floor), raising the legs too high (which reduces abdominal engagement), and using momentum rather than controlled movement. Focus on quality over quantity, maintaining a steady pace with full control of each repetition.

How often should I include Alternate Leg Raises in my workout routine?

You can safely perform Alternate Leg Raises 2-4 times per week as part of your core training regimen. For optimal results, incorporate them into your routine with 2-3 sets of 10-15 repetitions per leg, allowing at least 24 hours between sessions for recovery.

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